From fdd59d93413154cd07b2e46a428b15eda40b26e2 Mon Sep 17 00:00:00 2001
From: Liu Shuang <liushuangbill@outlook.com>
Date: Thu, 26 Sep 2024 18:30:56 +0800
Subject: [PATCH] feat: usage struct add CompletionTokensDetails (#863)

---
 common.go | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/common.go b/common.go
index cbfda4e3c..cde14154a 100644
--- a/common.go
+++ b/common.go
@@ -4,7 +4,13 @@ package openai
 
 // Usage Represents the total token usage per request to OpenAI.
 type Usage struct {
-	PromptTokens     int `json:"prompt_tokens"`
-	CompletionTokens int `json:"completion_tokens"`
-	TotalTokens      int `json:"total_tokens"`
+	PromptTokens            int                      `json:"prompt_tokens"`
+	CompletionTokens        int                      `json:"completion_tokens"`
+	TotalTokens             int                      `json:"total_tokens"`
+	CompletionTokensDetails *CompletionTokensDetails `json:"completion_tokens_details"`
+}
+
+// CompletionTokensDetails Breakdown of tokens used in a completion.
+type CompletionTokensDetails struct {
+	ReasoningTokens int `json:"reasoning_tokens"`
 }